Product name: Main shaft bearings Series H719, H719/HQ1, H70, H70/HQ1
The bearing research institute of Luoyang produces the bearing of main shaft of various kinds of ultra precision machine tools, Its leading product B7000CY series angle is exposed to the ball bearing with its high rotational speed, Ultraprecision rising by high rigidity, low temperature, low noise,etc. superior performance become domestic the masses of travelling trader first-ed export America and Europe and Southeast Asia alreadying.
Boundary
dimensions a=15 a=25 Bearing
Desig-
nations
Load ratings Limiting speeds Load ratings Limiting speeds
d D B rsmin r1smin Cr Cor Grease Cor Cr Cor Grease Cor
mm kN r/min kN r/min
1022 6 0.30 0.10
22 6 0.30 0.10
26 8 0.30 0.15
26 8 0.30 0.15
2.1 0.9
2.1 0.9
3.4 1.5
3.4 1.5 85000 140000
95000 160000
80000 130000
90000 150000 2.0 0.9
2.0 0.9
3.3 1.4
3.3 1.4 75000 120000
85000 140000
67000 110000
80000 130000 H71900
H71900/HQ1
H7000
H7000/HQ1
1224 6 0.30 0.10
24 6 0.30 0.10
28 8 0.30 0.15
28 8 0.30 0.15 2.2 1.1
2.2 1.1
3.8 1.7
3.8 1.7 80000 130000
90000 150000
70000 110000
80000 130000 2.1 1.1
2.1 1.1
3.6 1.6
3.6 1.6 70000 110000
80000 130000
60000 90000
70000 110000 H71901
H71901/HQ1
H7001
H7001/HQ1
1528 7 0.30 0.10
28 7 0.30 0.10
32 9 0.30 0.15
32 9 0.30 0.15 3.2 1.7
3.21.7
4.4 2.2
4.4 2.2 70000 110000
80000 130000
67000 100000
75000 120000 3.1 1.6
3.1 1.6
4.22.1
4.22.1 60000 90000
70000 110000
56000 85000
67000 100000 H71902
H71902/HQ1
H7002
H7002/HQ1
1730 7 0.30 0.10
30 7 0.30 0.10
35 10 0.30 0.15
35 10 0.30 0.15 3.3 1.8
3.3 1.8
5.2 2.5
5.2 2.5 67000 100000
75000 120000
56000 85000
63000 95000 3.2 1.7
3.2 1.7
5.0 2.4
5.0 2.4 56000 85000
63000 95000
50000 75000
60000 90000 H71903
H71903/HQ1
H7003
H7003/HQ1
2037 9 0.30 0.15
37 9 0.30 0.15
42 12 0.60 0.15
42 12 0.60 0.15 5.0 2.9
5.0 2.9
7.4 3.9
7.4 3.9 53000 80000
63000 95000
50000 75000
60000 90